diff --git a/BuildLibrary.hpp b/BuildLibrary.hpp
index 5f52e5c..2272b68 100644
--- a/BuildLibrary.hpp
+++ b/BuildLibrary.hpp
@@ -3,6 +3,7 @@
 
 #include <PkmnLib/Battling/Library/BattleLibrary.hpp>
 #include <filesystem>
+#include "BuildItems.hpp"
 #include "BuildMoves.hpp"
 #include "BuildNatures.hpp"
 #include "BuildSpecies.hpp"